Home / 105,935.70-146,187.34-58,186.20

Finding the Fourth Proportional to 105,935.70, 146,187.34 and 58,186.20

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Solution

The fourth proportional to 105,935.70, 146,187.34 and 58,186.20 is: 80,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,935.70 : 146,187.34 = 58,186.20 : x
  2. Step 2: Convert to fraction form
    105,935.70/146,187.34 = 58,186.20/x
  3. Step 3: Cross multiply
    105,935.70x = 146,187.34 × 58,186.20
  4. Step 4: Simplify right side
    105,935.70x = 8,506,085,802.71
  5. Step 5: Solve for x
    x = 8,506,085,802.71/105,935.70
  6. Step 6: Final answer
    x = 80,294.80

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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.