Home / 112,701.02-155,492.19-64,947.87

Finding the Fourth Proportional to 112,701.02, 155,492.19 and 64,947.87

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Solution

The fourth proportional to 112,701.02, 155,492.19 and 64,947.87 is: 89,607.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,701.02 : 155,492.19 = 64,947.87 : x
  2. Step 2: Convert to fraction form
    112,701.02/155,492.19 = 64,947.87/x
  3. Step 3: Cross multiply
    112,701.02x = 155,492.19 × 64,947.87
  4. Step 4: Simplify right side
    112,701.02x = 10,098,886,542.14
  5. Step 5: Solve for x
    x = 10,098,886,542.14/112,701.02
  6. Step 6: Final answer
    x = 89,607.77

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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.