Home / 90,206.20-124,587.36-61,476.32

Finding the Fourth Proportional to 90,206.20, 124,587.36 and 61,476.32

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Solution

The fourth proportional to 90,206.20, 124,587.36 and 61,476.32 is: 84,907.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,206.20 : 124,587.36 = 61,476.32 : x
  2. Step 2: Convert to fraction form
    90,206.20/124,587.36 = 61,476.32/x
  3. Step 3: Cross multiply
    90,206.20x = 124,587.36 × 61,476.32
  4. Step 4: Simplify right side
    90,206.20x = 7,659,172,411.32
  5. Step 5: Solve for x
    x = 7,659,172,411.32/90,206.20
  6. Step 6: Final answer
    x = 84,907.38

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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.