Home / 160,935.15-222,080.16-100,502.17

Finding the Fourth Proportional to 160,935.15, 222,080.16 and 100,502.17

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Solution

The fourth proportional to 160,935.15, 222,080.16 and 100,502.17 is: 138,686.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,935.15 : 222,080.16 = 100,502.17 : x
  2. Step 2: Convert to fraction form
    160,935.15/222,080.16 = 100,502.17/x
  3. Step 3: Cross multiply
    160,935.15x = 222,080.16 × 100,502.17
  4. Step 4: Simplify right side
    160,935.15x = 22,319,537,815.63
  5. Step 5: Solve for x
    x = 22,319,537,815.63/160,935.15
  6. Step 6: Final answer
    x = 138,686.53

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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.