Home / 154,368.20-213,070.02-90,726.44

Finding the Fourth Proportional to 154,368.20, 213,070.02 and 90,726.44

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Solution

The fourth proportional to 154,368.20, 213,070.02 and 90,726.44 is: 125,227.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,368.20 : 213,070.02 = 90,726.44 : x
  2. Step 2: Convert to fraction form
    154,368.20/213,070.02 = 90,726.44/x
  3. Step 3: Cross multiply
    154,368.20x = 213,070.02 × 90,726.44
  4. Step 4: Simplify right side
    154,368.20x = 19,331,084,385.33
  5. Step 5: Solve for x
    x = 19,331,084,385.33/154,368.20
  6. Step 6: Final answer
    x = 125,227.12

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1.5x scale

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.