Home / 105,966.02-146,154.48-99,620.18

Finding the Fourth Proportional to 105,966.02, 146,154.48 and 99,620.18

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Solution

The fourth proportional to 105,966.02, 146,154.48 and 99,620.18 is: 137,401.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,966.02 : 146,154.48 = 99,620.18 : x
  2. Step 2: Convert to fraction form
    105,966.02/146,154.48 = 99,620.18/x
  3. Step 3: Cross multiply
    105,966.02x = 146,154.48 × 99,620.18
  4. Step 4: Simplify right side
    105,966.02x = 14,559,935,605.41
  5. Step 5: Solve for x
    x = 14,559,935,605.41/105,966.02
  6. Step 6: Final answer
    x = 137,401.93

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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.