Home / 152,465.30-210,405.16-88,807.20

Finding the Fourth Proportional to 152,465.30, 210,405.16 and 88,807.20

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Solution

The fourth proportional to 152,465.30, 210,405.16 and 88,807.20 is: 122,555.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,465.30 : 210,405.16 = 88,807.20 : x
  2. Step 2: Convert to fraction form
    152,465.30/210,405.16 = 88,807.20/x
  3. Step 3: Cross multiply
    152,465.30x = 210,405.16 × 88,807.20
  4. Step 4: Simplify right side
    152,465.30x = 18,685,492,903.13
  5. Step 5: Solve for x
    x = 18,685,492,903.13/152,465.30
  6. Step 6: Final answer
    x = 122,555.71

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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.