Home / 122,877.16-169,570.07-69,162.15

Finding the Fourth Proportional to 122,877.16, 169,570.07 and 69,162.15

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Solution

The fourth proportional to 122,877.16, 169,570.07 and 69,162.15 is: 95,443.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,877.16 : 169,570.07 = 69,162.15 : x
  2. Step 2: Convert to fraction form
    122,877.16/169,570.07 = 69,162.15/x
  3. Step 3: Cross multiply
    122,877.16x = 169,570.07 × 69,162.15
  4. Step 4: Simplify right side
    122,877.16x = 11,727,829,423.19
  5. Step 5: Solve for x
    x = 11,727,829,423.19/122,877.16
  6. Step 6: Final answer
    x = 95,443.53

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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.