Home / 142,477.29-213,548.99-79,267.59

Finding the Fourth Proportional to 142,477.29, 213,548.99 and 79,267.59

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Solution

The fourth proportional to 142,477.29, 213,548.99 and 79,267.59 is: 118,808.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,477.29 : 213,548.99 = 79,267.59 : x
  2. Step 2: Convert to fraction form
    142,477.29/213,548.99 = 79,267.59/x
  3. Step 3: Cross multiply
    142,477.29x = 213,548.99 × 79,267.59
  4. Step 4: Simplify right side
    142,477.29x = 16,927,513,387.90
  5. Step 5: Solve for x
    x = 16,927,513,387.90/142,477.29
  6. Step 6: Final answer
    x = 118,808.50

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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.