Home / 152,420.50-210,337.45-84,435.97

Finding the Fourth Proportional to 152,420.50, 210,337.45 and 84,435.97

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Solution

The fourth proportional to 152,420.50, 210,337.45 and 84,435.97 is: 116,520.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,420.50 : 210,337.45 = 84,435.97 : x
  2. Step 2: Convert to fraction form
    152,420.50/210,337.45 = 84,435.97/x
  3. Step 3: Cross multiply
    152,420.50x = 210,337.45 × 84,435.97
  4. Step 4: Simplify right side
    152,420.50x = 17,760,046,618.08
  5. Step 5: Solve for x
    x = 17,760,046,618.08/152,420.50
  6. Step 6: Final answer
    x = 116,520.07

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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.