Home / 161,521.60-242,282.40-49,201.60

Finding the Fourth Proportional to 161,521.60, 242,282.40 and 49,201.60

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Solution

The fourth proportional to 161,521.60, 242,282.40 and 49,201.60 is: 73,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,521.60 : 242,282.40 = 49,201.60 : x
  2. Step 2: Convert to fraction form
    161,521.60/242,282.40 = 49,201.60/x
  3. Step 3: Cross multiply
    161,521.60x = 242,282.40 × 49,201.60
  4. Step 4: Simplify right side
    161,521.60x = 11,920,681,731.84
  5. Step 5: Solve for x
    x = 11,920,681,731.84/161,521.60
  6. Step 6: Final answer
    x = 73,802.40

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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.