Home / 124,278.57-171,605.70-101,312.10

Finding the Fourth Proportional to 124,278.57, 171,605.70 and 101,312.10

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Solution

The fourth proportional to 124,278.57, 171,605.70 and 101,312.10 is: 139,893.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,278.57 : 171,605.70 = 101,312.10 : x
  2. Step 2: Convert to fraction form
    124,278.57/171,605.70 = 101,312.10/x
  3. Step 3: Cross multiply
    124,278.57x = 171,605.70 × 101,312.10
  4. Step 4: Simplify right side
    124,278.57x = 17,385,733,838.97
  5. Step 5: Solve for x
    x = 17,385,733,838.97/124,278.57
  6. Step 6: Final answer
    x = 139,893.26

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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.