Home / 152,030.17-209,807.55-100,954.84

Finding the Fourth Proportional to 152,030.17, 209,807.55 and 100,954.84

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Solution

The fourth proportional to 152,030.17, 209,807.55 and 100,954.84 is: 139,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,030.17 : 209,807.55 = 100,954.84 : x
  2. Step 2: Convert to fraction form
    152,030.17/209,807.55 = 100,954.84/x
  3. Step 3: Cross multiply
    152,030.17x = 209,807.55 × 100,954.84
  4. Step 4: Simplify right side
    152,030.17x = 21,181,086,592.00
  5. Step 5: Solve for x
    x = 21,181,086,592.00/152,030.17
  6. Step 6: Final answer
    x = 139,321.60

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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.