Home / 112,632.45-155,417.45-67,300.88

Finding the Fourth Proportional to 112,632.45, 155,417.45 and 67,300.88

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Solution

The fourth proportional to 112,632.45, 155,417.45 and 67,300.88 is: 92,866.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,632.45 : 155,417.45 = 67,300.88 : x
  2. Step 2: Convert to fraction form
    112,632.45/155,417.45 = 67,300.88/x
  3. Step 3: Cross multiply
    112,632.45x = 155,417.45 × 67,300.88
  4. Step 4: Simplify right side
    112,632.45x = 10,459,730,038.76
  5. Step 5: Solve for x
    x = 10,459,730,038.76/112,632.45
  6. Step 6: Final answer
    x = 92,866.04

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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.