Home / 137,031.87-205,397.67-70,475.52

Finding the Fourth Proportional to 137,031.87, 205,397.67 and 70,475.52

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Solution

The fourth proportional to 137,031.87, 205,397.67 and 70,475.52 is: 105,636.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,031.87 : 205,397.67 = 70,475.52 : x
  2. Step 2: Convert to fraction form
    137,031.87/205,397.67 = 70,475.52/x
  3. Step 3: Cross multiply
    137,031.87x = 205,397.67 × 70,475.52
  4. Step 4: Simplify right side
    137,031.87x = 14,475,507,600.04
  5. Step 5: Solve for x
    x = 14,475,507,600.04/137,031.87
  6. Step 6: Final answer
    x = 105,636.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.