Home / 124,569.40-186,854.10-117,830.20

Finding the Fourth Proportional to 124,569.40, 186,854.10 and 117,830.20

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Solution

The fourth proportional to 124,569.40, 186,854.10 and 117,830.20 is: 176,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,569.40 : 186,854.10 = 117,830.20 : x
  2. Step 2: Convert to fraction form
    124,569.40/186,854.10 = 117,830.20/x
  3. Step 3: Cross multiply
    124,569.40x = 186,854.10 × 117,830.20
  4. Step 4: Simplify right side
    124,569.40x = 22,017,055,973.82
  5. Step 5: Solve for x
    x = 22,017,055,973.82/124,569.40
  6. Step 6: Final answer
    x = 176,745.30

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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.