Home / 148,825.51-205,397.15-85,161.94

Finding the Fourth Proportional to 148,825.51, 205,397.15 and 85,161.94

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Solution

The fourth proportional to 148,825.51, 205,397.15 and 85,161.94 is: 117,533.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,825.51 : 205,397.15 = 85,161.94 : x
  2. Step 2: Convert to fraction form
    148,825.51/205,397.15 = 85,161.94/x
  3. Step 3: Cross multiply
    148,825.51x = 205,397.15 × 85,161.94
  4. Step 4: Simplify right side
    148,825.51x = 17,492,018,825.17
  5. Step 5: Solve for x
    x = 17,492,018,825.17/148,825.51
  6. Step 6: Final answer
    x = 117,533.74

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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.