Home / 152,172.17-210,005.56-87,651.22

Finding the Fourth Proportional to 152,172.17, 210,005.56 and 87,651.22

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Solution

The fourth proportional to 152,172.17, 210,005.56 and 87,651.22 is: 120,963.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,172.17 : 210,005.56 = 87,651.22 : x
  2. Step 2: Convert to fraction form
    152,172.17/210,005.56 = 87,651.22/x
  3. Step 3: Cross multiply
    152,172.17x = 210,005.56 × 87,651.22
  4. Step 4: Simplify right side
    152,172.17x = 18,407,242,490.76
  5. Step 5: Solve for x
    x = 18,407,242,490.76/152,172.17
  6. Step 6: Final answer
    x = 120,963.26

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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.