Home / 107,341.80-161,012.70-89,975.40

Finding the Fourth Proportional to 107,341.80, 161,012.70 and 89,975.40

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Solution

The fourth proportional to 107,341.80, 161,012.70 and 89,975.40 is: 134,963.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,341.80 : 161,012.70 = 89,975.40 : x
  2. Step 2: Convert to fraction form
    107,341.80/161,012.70 = 89,975.40/x
  3. Step 3: Cross multiply
    107,341.80x = 161,012.70 × 89,975.40
  4. Step 4: Simplify right side
    107,341.80x = 14,487,182,087.58
  5. Step 5: Solve for x
    x = 14,487,182,087.58/107,341.80
  6. Step 6: Final answer
    x = 134,963.10

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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.