Home / 90,396.30-124,744.74-52,155.93

Finding the Fourth Proportional to 90,396.30, 124,744.74 and 52,155.93

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Solution

The fourth proportional to 90,396.30, 124,744.74 and 52,155.93 is: 71,973.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,396.30 : 124,744.74 = 52,155.93 : x
  2. Step 2: Convert to fraction form
    90,396.30/124,744.74 = 52,155.93/x
  3. Step 3: Cross multiply
    90,396.30x = 124,744.74 × 52,155.93
  4. Step 4: Simplify right side
    90,396.30x = 6,506,177,927.31
  5. Step 5: Solve for x
    x = 6,506,177,927.31/90,396.30
  6. Step 6: Final answer
    x = 71,973.94

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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.