Home / 153,053.55-211,204.85-85,068.19

Finding the Fourth Proportional to 153,053.55, 211,204.85 and 85,068.19

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Solution

The fourth proportional to 153,053.55, 211,204.85 and 85,068.19 is: 117,389.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,053.55 : 211,204.85 = 85,068.19 : x
  2. Step 2: Convert to fraction form
    153,053.55/211,204.85 = 85,068.19/x
  3. Step 3: Cross multiply
    153,053.55x = 211,204.85 × 85,068.19
  4. Step 4: Simplify right side
    153,053.55x = 17,966,814,093.76
  5. Step 5: Solve for x
    x = 17,966,814,093.76/153,053.55
  6. Step 6: Final answer
    x = 117,389.07

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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.