Home / 210,400.45-290,352.95-119,756.41

Finding the Fourth Proportional to 210,400.45, 290,352.95 and 119,756.41

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Solution

The fourth proportional to 210,400.45, 290,352.95 and 119,756.41 is: 165,264.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,400.45 : 290,352.95 = 119,756.41 : x
  2. Step 2: Convert to fraction form
    210,400.45/290,352.95 = 119,756.41/x
  3. Step 3: Cross multiply
    210,400.45x = 290,352.95 × 119,756.41
  4. Step 4: Simplify right side
    210,400.45x = 34,771,627,233.48
  5. Step 5: Solve for x
    x = 34,771,627,233.48/210,400.45
  6. Step 6: Final answer
    x = 165,264.04

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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.