Home / 78,215.04-117,299.34-22,051.08

Finding the Fourth Proportional to 78,215.04, 117,299.34 and 22,051.08

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Solution

The fourth proportional to 78,215.04, 117,299.34 and 22,051.08 is: 33,070.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,215.04 : 117,299.34 = 22,051.08 : x
  2. Step 2: Convert to fraction form
    78,215.04/117,299.34 = 22,051.08/x
  3. Step 3: Cross multiply
    78,215.04x = 117,299.34 × 22,051.08
  4. Step 4: Simplify right side
    78,215.04x = 2,586,577,130.29
  5. Step 5: Solve for x
    x = 2,586,577,130.29/78,215.04
  6. Step 6: Final answer
    x = 33,070.07

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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.