Home / 153,277.02-211,503.72-85,277.94

Finding the Fourth Proportional to 153,277.02, 211,503.72 and 85,277.94

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Solution

The fourth proportional to 153,277.02, 211,503.72 and 85,277.94 is: 117,673.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,277.02 : 211,503.72 = 85,277.94 : x
  2. Step 2: Convert to fraction form
    153,277.02/211,503.72 = 85,277.94/x
  3. Step 3: Cross multiply
    153,277.02x = 211,503.72 × 85,277.94
  4. Step 4: Simplify right side
    153,277.02x = 18,036,601,543.94
  5. Step 5: Solve for x
    x = 18,036,601,543.94/153,277.02
  6. Step 6: Final answer
    x = 117,673.23

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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.