Home / 151,686.17-209,368.55-88,044.47

Finding the Fourth Proportional to 151,686.17, 209,368.55 and 88,044.47

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Solution

The fourth proportional to 151,686.17, 209,368.55 and 88,044.47 is: 121,525.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,686.17 : 209,368.55 = 88,044.47 : x
  2. Step 2: Convert to fraction form
    151,686.17/209,368.55 = 88,044.47/x
  3. Step 3: Cross multiply
    151,686.17x = 209,368.55 × 88,044.47
  4. Step 4: Simplify right side
    151,686.17x = 18,433,742,482.57
  5. Step 5: Solve for x
    x = 18,433,742,482.57/151,686.17
  6. Step 6: Final answer
    x = 121,525.53

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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.