Home / 179,001.21-247,019.40-98,428.08

Finding the Fourth Proportional to 179,001.21, 247,019.40 and 98,428.08

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Solution

The fourth proportional to 179,001.21, 247,019.40 and 98,428.08 is: 135,829.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,001.21 : 247,019.40 = 98,428.08 : x
  2. Step 2: Convert to fraction form
    179,001.21/247,019.40 = 98,428.08/x
  3. Step 3: Cross multiply
    179,001.21x = 247,019.40 × 98,428.08
  4. Step 4: Simplify right side
    179,001.21x = 24,313,645,264.75
  5. Step 5: Solve for x
    x = 24,313,645,264.75/179,001.21
  6. Step 6: Final answer
    x = 135,829.50

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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.