Home / 242,421.23-334,564.55-134,991.23

Finding the Fourth Proportional to 242,421.23, 334,564.55 and 134,991.23

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Solution

The fourth proportional to 242,421.23, 334,564.55 and 134,991.23 is: 186,300.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,421.23 : 334,564.55 = 134,991.23 : x
  2. Step 2: Convert to fraction form
    242,421.23/334,564.55 = 134,991.23/x
  3. Step 3: Cross multiply
    242,421.23x = 334,564.55 × 134,991.23
  4. Step 4: Simplify right side
    242,421.23x = 45,163,280,118.90
  5. Step 5: Solve for x
    x = 45,163,280,118.90/242,421.23
  6. Step 6: Final answer
    x = 186,300.85

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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.