Home / 152,947.40-211,070.28-84,970.76

Finding the Fourth Proportional to 152,947.40, 211,070.28 and 84,970.76

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Solution

The fourth proportional to 152,947.40, 211,070.28 and 84,970.76 is: 117,261.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,947.40 : 211,070.28 = 84,970.76 : x
  2. Step 2: Convert to fraction form
    152,947.40/211,070.28 = 84,970.76/x
  3. Step 3: Cross multiply
    152,947.40x = 211,070.28 × 84,970.76
  4. Step 4: Simplify right side
    152,947.40x = 17,934,802,105.01
  5. Step 5: Solve for x
    x = 17,934,802,105.01/152,947.40
  6. Step 6: Final answer
    x = 117,261.24

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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.