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Finding the Fourth Proportional to 173,980.47, 240,089.13 and 101,378.87

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Solution

The fourth proportional to 173,980.47, 240,089.13 and 101,378.87 is: 139,900.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,980.47 : 240,089.13 = 101,378.87 : x
  2. Step 2: Convert to fraction form
    173,980.47/240,089.13 = 101,378.87/x
  3. Step 3: Cross multiply
    173,980.47x = 240,089.13 × 101,378.87
  4. Step 4: Simplify right side
    173,980.47x = 24,339,963,498.24
  5. Step 5: Solve for x
    x = 24,339,963,498.24/173,980.47
  6. Step 6: Final answer
    x = 139,900.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.