Home / 90,237.40-124,538.73-51,484.76

Finding the Fourth Proportional to 90,237.40, 124,538.73 and 51,484.76

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Solution

The fourth proportional to 90,237.40, 124,538.73 and 51,484.76 is: 71,055.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,237.40 : 124,538.73 = 51,484.76 : x
  2. Step 2: Convert to fraction form
    90,237.40/124,538.73 = 51,484.76/x
  3. Step 3: Cross multiply
    90,237.40x = 124,538.73 × 51,484.76
  4. Step 4: Simplify right side
    90,237.40x = 6,411,846,002.06
  5. Step 5: Solve for x
    x = 6,411,846,002.06/90,237.40
  6. Step 6: Final answer
    x = 71,055.31

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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.