Home / 152,316.02-210,218.01-88,688.90

Finding the Fourth Proportional to 152,316.02, 210,218.01 and 88,688.90

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Solution

The fourth proportional to 152,316.02, 210,218.01 and 88,688.90 is: 122,403.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,316.02 : 210,218.01 = 88,688.90 : x
  2. Step 2: Convert to fraction form
    152,316.02/210,218.01 = 88,688.90/x
  3. Step 3: Cross multiply
    152,316.02x = 210,218.01 × 88,688.90
  4. Step 4: Simplify right side
    152,316.02x = 18,644,004,067.09
  5. Step 5: Solve for x
    x = 18,644,004,067.09/152,316.02
  6. Step 6: Final answer
    x = 122,403.44

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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.