Home / 121,071.04-181,757.76-81,802.24

Finding the Fourth Proportional to 121,071.04, 181,757.76 and 81,802.24

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Solution

The fourth proportional to 121,071.04, 181,757.76 and 81,802.24 is: 122,805.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,071.04 : 181,757.76 = 81,802.24 : x
  2. Step 2: Convert to fraction form
    121,071.04/181,757.76 = 81,802.24/x
  3. Step 3: Cross multiply
    121,071.04x = 181,757.76 × 81,802.24
  4. Step 4: Simplify right side
    121,071.04x = 14,868,191,905.38
  5. Step 5: Solve for x
    x = 14,868,191,905.38/121,071.04
  6. Step 6: Final answer
    x = 122,805.52

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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.