Home / 124,278.90-171,509.18-70,562.13

Finding the Fourth Proportional to 124,278.90, 171,509.18 and 70,562.13

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Solution

The fourth proportional to 124,278.90, 171,509.18 and 70,562.13 is: 97,378.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,278.90 : 171,509.18 = 70,562.13 : x
  2. Step 2: Convert to fraction form
    124,278.90/171,509.18 = 70,562.13/x
  3. Step 3: Cross multiply
    124,278.90x = 171,509.18 × 70,562.13
  4. Step 4: Simplify right side
    124,278.90x = 12,102,052,702.54
  5. Step 5: Solve for x
    x = 12,102,052,702.54/124,278.90
  6. Step 6: Final answer
    x = 97,378.18

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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.