Home / 152,257.32-210,175.56-103,210.20

Finding the Fourth Proportional to 152,257.32, 210,175.56 and 103,210.20

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Solution

The fourth proportional to 152,257.32, 210,175.56 and 103,210.20 is: 142,471.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,257.32 : 210,175.56 = 103,210.20 : x
  2. Step 2: Convert to fraction form
    152,257.32/210,175.56 = 103,210.20/x
  3. Step 3: Cross multiply
    152,257.32x = 210,175.56 × 103,210.20
  4. Step 4: Simplify right side
    152,257.32x = 21,692,261,582.71
  5. Step 5: Solve for x
    x = 21,692,261,582.71/152,257.32
  6. Step 6: Final answer
    x = 142,471.06

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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.