Home / 102,323.07-141,200.34-56,381.28

Finding the Fourth Proportional to 102,323.07, 141,200.34 and 56,381.28

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Solution

The fourth proportional to 102,323.07, 141,200.34 and 56,381.28 is: 77,803.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,323.07 : 141,200.34 = 56,381.28 : x
  2. Step 2: Convert to fraction form
    102,323.07/141,200.34 = 56,381.28/x
  3. Step 3: Cross multiply
    102,323.07x = 141,200.34 × 56,381.28
  4. Step 4: Simplify right side
    102,323.07x = 7,961,055,905.64
  5. Step 5: Solve for x
    x = 7,961,055,905.64/102,323.07
  6. Step 6: Final answer
    x = 77,803.14

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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.