Home / 210,223.56-290,056.02-134,874.12

Finding the Fourth Proportional to 210,223.56, 290,056.02 and 134,874.12

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Solution

The fourth proportional to 210,223.56, 290,056.02 and 134,874.12 is: 186,092.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,223.56 : 290,056.02 = 134,874.12 : x
  2. Step 2: Convert to fraction form
    210,223.56/290,056.02 = 134,874.12/x
  3. Step 3: Cross multiply
    210,223.56x = 290,056.02 × 134,874.12
  4. Step 4: Simplify right side
    210,223.56x = 39,121,050,448.20
  5. Step 5: Solve for x
    x = 39,121,050,448.20/210,223.56
  6. Step 6: Final answer
    x = 186,092.61

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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.