Home / 90,852.63-136,280.15-28,523.13

Finding the Fourth Proportional to 90,852.63, 136,280.15 and 28,523.13

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Solution

The fourth proportional to 90,852.63, 136,280.15 and 28,523.13 is: 42,785.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,852.63 : 136,280.15 = 28,523.13 : x
  2. Step 2: Convert to fraction form
    90,852.63/136,280.15 = 28,523.13/x
  3. Step 3: Cross multiply
    90,852.63x = 136,280.15 × 28,523.13
  4. Step 4: Simplify right side
    90,852.63x = 3,887,136,434.87
  5. Step 5: Solve for x
    x = 3,887,136,434.87/90,852.63
  6. Step 6: Final answer
    x = 42,785.07

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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.