Home / 125,024.16-172,534.32-77,266.56

Finding the Fourth Proportional to 125,024.16, 172,534.32 and 77,266.56

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Solution

The fourth proportional to 125,024.16, 172,534.32 and 77,266.56 is: 106,628.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,024.16 : 172,534.32 = 77,266.56 : x
  2. Step 2: Convert to fraction form
    125,024.16/172,534.32 = 77,266.56/x
  3. Step 3: Cross multiply
    125,024.16x = 172,534.32 × 77,266.56
  4. Step 4: Simplify right side
    125,024.16x = 13,331,133,388.34
  5. Step 5: Solve for x
    x = 13,331,133,388.34/125,024.16
  6. Step 6: Final answer
    x = 106,628.46

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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.