Home / 150,117.60-225,176.40-61,312.80

Finding the Fourth Proportional to 150,117.60, 225,176.40 and 61,312.80

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Solution

The fourth proportional to 150,117.60, 225,176.40 and 61,312.80 is: 91,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,117.60 : 225,176.40 = 61,312.80 : x
  2. Step 2: Convert to fraction form
    150,117.60/225,176.40 = 61,312.80/x
  3. Step 3: Cross multiply
    150,117.60x = 225,176.40 × 61,312.80
  4. Step 4: Simplify right side
    150,117.60x = 13,806,195,577.92
  5. Step 5: Solve for x
    x = 13,806,195,577.92/150,117.60
  6. Step 6: Final answer
    x = 91,969.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.