Home / 152,416.10-210,331.94-84,432.86

Finding the Fourth Proportional to 152,416.10, 210,331.94 and 84,432.86

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Solution

The fourth proportional to 152,416.10, 210,331.94 and 84,432.86 is: 116,516.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,416.10 : 210,331.94 = 84,432.86 : x
  2. Step 2: Convert to fraction form
    152,416.10/210,331.94 = 84,432.86/x
  3. Step 3: Cross multiply
    152,416.10x = 210,331.94 × 84,432.86
  4. Step 4: Simplify right side
    152,416.10x = 17,758,927,243.55
  5. Step 5: Solve for x
    x = 17,758,927,243.55/152,416.10
  6. Step 6: Final answer
    x = 116,516.08

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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.