Home / 153,248.02-211,483.31-85,267.85

Finding the Fourth Proportional to 153,248.02, 211,483.31 and 85,267.85

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Solution

The fourth proportional to 153,248.02, 211,483.31 and 85,267.85 is: 117,670.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,248.02 : 211,483.31 = 85,267.85 : x
  2. Step 2: Convert to fraction form
    153,248.02/211,483.31 = 85,267.85/x
  3. Step 3: Cross multiply
    153,248.02x = 211,483.31 × 85,267.85
  4. Step 4: Simplify right side
    153,248.02x = 18,032,727,256.95
  5. Step 5: Solve for x
    x = 18,032,727,256.95/153,248.02
  6. Step 6: Final answer
    x = 117,670.22

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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.