Home / 210,139.02-289,999.98-119,503.26

Finding the Fourth Proportional to 210,139.02, 289,999.98 and 119,503.26

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Solution

The fourth proportional to 210,139.02, 289,999.98 and 119,503.26 is: 164,919.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,139.02 : 289,999.98 = 119,503.26 : x
  2. Step 2: Convert to fraction form
    210,139.02/289,999.98 = 119,503.26/x
  3. Step 3: Cross multiply
    210,139.02x = 289,999.98 × 119,503.26
  4. Step 4: Simplify right side
    210,139.02x = 34,655,943,009.93
  5. Step 5: Solve for x
    x = 34,655,943,009.93/210,139.02
  6. Step 6: Final answer
    x = 164,919.12

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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.