Home / 131,526.20-181,430.70-74,927

Finding the Fourth Proportional to 131,526.20, 181,430.70 and 74,927

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Solution

The fourth proportional to 131,526.20, 181,430.70 and 74,927 is: 103,356.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,526.20 : 181,430.70 = 74,927 : x
  2. Step 2: Convert to fraction form
    131,526.20/181,430.70 = 74,927/x
  3. Step 3: Cross multiply
    131,526.20x = 181,430.70 × 74,927
  4. Step 4: Simplify right side
    131,526.20x = 13,594,058,058.90
  5. Step 5: Solve for x
    x = 13,594,058,058.90/131,526.20
  6. Step 6: Final answer
    x = 103,356.27

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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.