Home / 140,320.44-210,487.95-70,176.06

Finding the Fourth Proportional to 140,320.44, 210,487.95 and 70,176.06

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Solution

The fourth proportional to 140,320.44, 210,487.95 and 70,176.06 is: 105,267.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,320.44 : 210,487.95 = 70,176.06 : x
  2. Step 2: Convert to fraction form
    140,320.44/210,487.95 = 70,176.06/x
  3. Step 3: Cross multiply
    140,320.44x = 210,487.95 × 70,176.06
  4. Step 4: Simplify right side
    140,320.44x = 14,771,215,008.48
  5. Step 5: Solve for x
    x = 14,771,215,008.48/140,320.44
  6. Step 6: Final answer
    x = 105,267.74

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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.