Home / 105,752.64-145,937.88-58,005.66

Finding the Fourth Proportional to 105,752.64, 145,937.88 and 58,005.66

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Solution

The fourth proportional to 105,752.64, 145,937.88 and 58,005.66 is: 80,047.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,752.64 : 145,937.88 = 58,005.66 : x
  2. Step 2: Convert to fraction form
    105,752.64/145,937.88 = 58,005.66/x
  3. Step 3: Cross multiply
    105,752.64x = 145,937.88 × 58,005.66
  4. Step 4: Simplify right side
    105,752.64x = 8,465,223,048.40
  5. Step 5: Solve for x
    x = 8,465,223,048.40/105,752.64
  6. Step 6: Final answer
    x = 80,047.39

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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.