Home / 123,426.36-185,110.68-34,688.40

Finding the Fourth Proportional to 123,426.36, 185,110.68 and 34,688.40

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Solution

The fourth proportional to 123,426.36, 185,110.68 and 34,688.40 is: 52,024.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,426.36 : 185,110.68 = 34,688.40 : x
  2. Step 2: Convert to fraction form
    123,426.36/185,110.68 = 34,688.40/x
  3. Step 3: Cross multiply
    123,426.36x = 185,110.68 × 34,688.40
  4. Step 4: Simplify right side
    123,426.36x = 6,421,193,312.11
  5. Step 5: Solve for x
    x = 6,421,193,312.11/123,426.36
  6. Step 6: Final answer
    x = 52,024.49

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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.