Home / 210,718.03-316,077.37-86,059.03

Finding the Fourth Proportional to 210,718.03, 316,077.37 and 86,059.03

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Solution

The fourth proportional to 210,718.03, 316,077.37 and 86,059.03 is: 129,088.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,718.03 : 316,077.37 = 86,059.03 : x
  2. Step 2: Convert to fraction form
    210,718.03/316,077.37 = 86,059.03/x
  3. Step 3: Cross multiply
    210,718.03x = 316,077.37 × 86,059.03
  4. Step 4: Simplify right side
    210,718.03x = 27,201,312,442.20
  5. Step 5: Solve for x
    x = 27,201,312,442.20/210,718.03
  6. Step 6: Final answer
    x = 129,088.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.