Home / 152,264.67-210,124.17-87,710.37

Finding the Fourth Proportional to 152,264.67, 210,124.17 and 87,710.37

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Solution

The fourth proportional to 152,264.67, 210,124.17 and 87,710.37 is: 121,039.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,264.67 : 210,124.17 = 87,710.37 : x
  2. Step 2: Convert to fraction form
    152,264.67/210,124.17 = 87,710.37/x
  3. Step 3: Cross multiply
    152,264.67x = 210,124.17 × 87,710.37
  4. Step 4: Simplify right side
    152,264.67x = 18,430,068,696.64
  5. Step 5: Solve for x
    x = 18,430,068,696.64/152,264.67
  6. Step 6: Final answer
    x = 121,039.69

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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.