Home / 242,420.23-334,563.17-134,990.23

Finding the Fourth Proportional to 242,420.23, 334,563.17 and 134,990.23

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Solution

The fourth proportional to 242,420.23, 334,563.17 and 134,990.23 is: 186,299.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,420.23 : 334,563.17 = 134,990.23 : x
  2. Step 2: Convert to fraction form
    242,420.23/334,563.17 = 134,990.23/x
  3. Step 3: Cross multiply
    242,420.23x = 334,563.17 × 134,990.23
  4. Step 4: Simplify right side
    242,420.23x = 45,162,759,267.83
  5. Step 5: Solve for x
    x = 45,162,759,267.83/242,420.23
  6. Step 6: Final answer
    x = 186,299.47

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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.