Home / 208,417.48-287,681.52-132,965.92

Finding the Fourth Proportional to 208,417.48, 287,681.52 and 132,965.92

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Solution

The fourth proportional to 208,417.48, 287,681.52 and 132,965.92 is: 183,534.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,417.48 : 287,681.52 = 132,965.92 : x
  2. Step 2: Convert to fraction form
    208,417.48/287,681.52 = 132,965.92/x
  3. Step 3: Cross multiply
    208,417.48x = 287,681.52 × 132,965.92
  4. Step 4: Simplify right side
    208,417.48x = 38,251,837,973.80
  5. Step 5: Solve for x
    x = 38,251,837,973.80/208,417.48
  6. Step 6: Final answer
    x = 183,534.69

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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.