Home / 107,569.28-148,443-58,509.64

Finding the Fourth Proportional to 107,569.28, 148,443 and 58,509.64

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Solution

The fourth proportional to 107,569.28, 148,443 and 58,509.64 is: 80,741.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,569.28 : 148,443 = 58,509.64 : x
  2. Step 2: Convert to fraction form
    107,569.28/148,443 = 58,509.64/x
  3. Step 3: Cross multiply
    107,569.28x = 148,443 × 58,509.64
  4. Step 4: Simplify right side
    107,569.28x = 8,685,346,490.52
  5. Step 5: Solve for x
    x = 8,685,346,490.52/107,569.28
  6. Step 6: Final answer
    x = 80,741.89

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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.