Home / 105,513.47-145,595.03-60,188.75

Finding the Fourth Proportional to 105,513.47, 145,595.03 and 60,188.75

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Solution

The fourth proportional to 105,513.47, 145,595.03 and 60,188.75 is: 83,052.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,513.47 : 145,595.03 = 60,188.75 : x
  2. Step 2: Convert to fraction form
    105,513.47/145,595.03 = 60,188.75/x
  3. Step 3: Cross multiply
    105,513.47x = 145,595.03 × 60,188.75
  4. Step 4: Simplify right side
    105,513.47x = 8,763,182,011.81
  5. Step 5: Solve for x
    x = 8,763,182,011.81/105,513.47
  6. Step 6: Final answer
    x = 83,052.74

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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.