Home / 86,897.27-130,395.16-46,915.72

Finding the Fourth Proportional to 86,897.27, 130,395.16 and 46,915.72

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Solution

The fourth proportional to 86,897.27, 130,395.16 and 46,915.72 is: 70,400.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,897.27 : 130,395.16 = 46,915.72 : x
  2. Step 2: Convert to fraction form
    86,897.27/130,395.16 = 46,915.72/x
  3. Step 3: Cross multiply
    86,897.27x = 130,395.16 × 46,915.72
  4. Step 4: Simplify right side
    86,897.27x = 6,117,582,815.92
  5. Step 5: Solve for x
    x = 6,117,582,815.92/86,897.27
  6. Step 6: Final answer
    x = 70,400.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.