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Finding the Fourth Proportional to 101,802.95, 140,483.33 and 56,480.45

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Solution

The fourth proportional to 101,802.95, 140,483.33 and 56,480.45 is: 77,940.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,802.95 : 140,483.33 = 56,480.45 : x
  2. Step 2: Convert to fraction form
    101,802.95/140,483.33 = 56,480.45/x
  3. Step 3: Cross multiply
    101,802.95x = 140,483.33 × 56,480.45
  4. Step 4: Simplify right side
    101,802.95x = 7,934,560,711.08
  5. Step 5: Solve for x
    x = 7,934,560,711.08/101,802.95
  6. Step 6: Final answer
    x = 77,940.38

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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.