Home / 105,935.40-158,946.42-56,002.20

Finding the Fourth Proportional to 105,935.40, 158,946.42 and 56,002.20

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Solution

The fourth proportional to 105,935.40, 158,946.42 and 56,002.20 is: 84,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,935.40 : 158,946.42 = 56,002.20 : x
  2. Step 2: Convert to fraction form
    105,935.40/158,946.42 = 56,002.20/x
  3. Step 3: Cross multiply
    105,935.40x = 158,946.42 × 56,002.20
  4. Step 4: Simplify right side
    105,935.40x = 8,901,349,202.12
  5. Step 5: Solve for x
    x = 8,901,349,202.12/105,935.40
  6. Step 6: Final answer
    x = 84,026.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.