Home / 210,139.02-289,980.03-119,517.03

Finding the Fourth Proportional to 210,139.02, 289,980.03 and 119,517.03

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Solution

The fourth proportional to 210,139.02, 289,980.03 and 119,517.03 is: 164,926.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,139.02 : 289,980.03 = 119,517.03 : x
  2. Step 2: Convert to fraction form
    210,139.02/289,980.03 = 119,517.03/x
  3. Step 3: Cross multiply
    210,139.02x = 289,980.03 × 119,517.03
  4. Step 4: Simplify right side
    210,139.02x = 34,657,549,897.43
  5. Step 5: Solve for x
    x = 34,657,549,897.43/210,139.02
  6. Step 6: Final answer
    x = 164,926.77

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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.