Home / 134,430.93-185,508.32-74,000.34

Finding the Fourth Proportional to 134,430.93, 185,508.32 and 74,000.34

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Solution

The fourth proportional to 134,430.93, 185,508.32 and 74,000.34 is: 102,116.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,430.93 : 185,508.32 = 74,000.34 : x
  2. Step 2: Convert to fraction form
    134,430.93/185,508.32 = 74,000.34/x
  3. Step 3: Cross multiply
    134,430.93x = 185,508.32 × 74,000.34
  4. Step 4: Simplify right side
    134,430.93x = 13,727,678,382.83
  5. Step 5: Solve for x
    x = 13,727,678,382.83/134,430.93
  6. Step 6: Final answer
    x = 102,116.96

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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.