Home / 123,838.32-170,897.55-70,133.79

Finding the Fourth Proportional to 123,838.32, 170,897.55 and 70,133.79

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Solution

The fourth proportional to 123,838.32, 170,897.55 and 70,133.79 is: 96,785.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,838.32 : 170,897.55 = 70,133.79 : x
  2. Step 2: Convert to fraction form
    123,838.32/170,897.55 = 70,133.79/x
  3. Step 3: Cross multiply
    123,838.32x = 170,897.55 × 70,133.79
  4. Step 4: Simplify right side
    123,838.32x = 11,985,692,883.21
  5. Step 5: Solve for x
    x = 11,985,692,883.21/123,838.32
  6. Step 6: Final answer
    x = 96,785.01

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1.5x scale

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.