Home / 108,862.47-163,304.03-42,307.74

Finding the Fourth Proportional to 108,862.47, 163,304.03 and 42,307.74

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Solution

The fourth proportional to 108,862.47, 163,304.03 and 42,307.74 is: 63,465.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,862.47 : 163,304.03 = 42,307.74 : x
  2. Step 2: Convert to fraction form
    108,862.47/163,304.03 = 42,307.74/x
  3. Step 3: Cross multiply
    108,862.47x = 163,304.03 × 42,307.74
  4. Step 4: Simplify right side
    108,862.47x = 6,909,024,547.96
  5. Step 5: Solve for x
    x = 6,909,024,547.96/108,862.47
  6. Step 6: Final answer
    x = 63,465.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.