Home / 112,243.60-154,897.02-61,256.72

Finding the Fourth Proportional to 112,243.60, 154,897.02 and 61,256.72

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Solution

The fourth proportional to 112,243.60, 154,897.02 and 61,256.72 is: 84,534.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,243.60 : 154,897.02 = 61,256.72 : x
  2. Step 2: Convert to fraction form
    112,243.60/154,897.02 = 61,256.72/x
  3. Step 3: Cross multiply
    112,243.60x = 154,897.02 × 61,256.72
  4. Step 4: Simplify right side
    112,243.60x = 9,488,483,382.97
  5. Step 5: Solve for x
    x = 9,488,483,382.97/112,243.60
  6. Step 6: Final answer
    x = 84,534.74

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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.