Home / 153,501.04-211,828.22-85,517.92

Finding the Fourth Proportional to 153,501.04, 211,828.22 and 85,517.92

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Solution

The fourth proportional to 153,501.04, 211,828.22 and 85,517.92 is: 118,012.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,501.04 : 211,828.22 = 85,517.92 : x
  2. Step 2: Convert to fraction form
    153,501.04/211,828.22 = 85,517.92/x
  3. Step 3: Cross multiply
    153,501.04x = 211,828.22 × 85,517.92
  4. Step 4: Simplify right side
    153,501.04x = 18,115,108,771.70
  5. Step 5: Solve for x
    x = 18,115,108,771.70/153,501.04
  6. Step 6: Final answer
    x = 118,012.94

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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.