Home / 155,151.30-232,722.28-42,838.38

Finding the Fourth Proportional to 155,151.30, 232,722.28 and 42,838.38

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Solution

The fourth proportional to 155,151.30, 232,722.28 and 42,838.38 is: 64,256.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,151.30 : 232,722.28 = 42,838.38 : x
  2. Step 2: Convert to fraction form
    155,151.30/232,722.28 = 42,838.38/x
  3. Step 3: Cross multiply
    155,151.30x = 232,722.28 × 42,838.38
  4. Step 4: Simplify right side
    155,151.30x = 9,969,445,465.11
  5. Step 5: Solve for x
    x = 9,969,445,465.11/155,151.30
  6. Step 6: Final answer
    x = 64,256.28

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1.5x scale

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.