Home / 152,331.85-210,220.17-84,348.69

Finding the Fourth Proportional to 152,331.85, 210,220.17 and 84,348.69

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Solution

The fourth proportional to 152,331.85, 210,220.17 and 84,348.69 is: 116,402.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,331.85 : 210,220.17 = 84,348.69 : x
  2. Step 2: Convert to fraction form
    152,331.85/210,220.17 = 84,348.69/x
  3. Step 3: Cross multiply
    152,331.85x = 210,220.17 × 84,348.69
  4. Step 4: Simplify right side
    152,331.85x = 17,731,796,423.10
  5. Step 5: Solve for x
    x = 17,731,796,423.10/152,331.85
  6. Step 6: Final answer
    x = 116,402.42

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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.