Home / 112,366.10-155,065.23-62,065.10

Finding the Fourth Proportional to 112,366.10, 155,065.23 and 62,065.10

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Solution

The fourth proportional to 112,366.10, 155,065.23 and 62,065.10 is: 85,649.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,366.10 : 155,065.23 = 62,065.10 : x
  2. Step 2: Convert to fraction form
    112,366.10/155,065.23 = 62,065.10/x
  3. Step 3: Cross multiply
    112,366.10x = 155,065.23 × 62,065.10
  4. Step 4: Simplify right side
    112,366.10x = 9,624,139,006.47
  5. Step 5: Solve for x
    x = 9,624,139,006.47/112,366.10
  6. Step 6: Final answer
    x = 85,649.84

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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.