Home / 152,314.02-210,215.25-88,686.90

Finding the Fourth Proportional to 152,314.02, 210,215.25 and 88,686.90

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Solution

The fourth proportional to 152,314.02, 210,215.25 and 88,686.90 is: 122,400.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,314.02 : 210,215.25 = 88,686.90 : x
  2. Step 2: Convert to fraction form
    152,314.02/210,215.25 = 88,686.90/x
  3. Step 3: Cross multiply
    152,314.02x = 210,215.25 × 88,686.90
  4. Step 4: Simplify right side
    152,314.02x = 18,643,338,855.23
  5. Step 5: Solve for x
    x = 18,643,338,855.23/152,314.02
  6. Step 6: Final answer
    x = 122,400.67

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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.