Home / 90,206.16-124,341.09-71,055.59

Finding the Fourth Proportional to 90,206.16, 124,341.09 and 71,055.59

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Solution

The fourth proportional to 90,206.16, 124,341.09 and 71,055.59 is: 97,943.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,206.16 : 124,341.09 = 71,055.59 : x
  2. Step 2: Convert to fraction form
    90,206.16/124,341.09 = 71,055.59/x
  3. Step 3: Cross multiply
    90,206.16x = 124,341.09 × 71,055.59
  4. Step 4: Simplify right side
    90,206.16x = 8,835,129,597.22
  5. Step 5: Solve for x
    x = 8,835,129,597.22/90,206.16
  6. Step 6: Final answer
    x = 97,943.75

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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.