Home / 210,317.16-290,238.34-134,865.96

Finding the Fourth Proportional to 210,317.16, 290,238.34 and 134,865.96

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Solution

The fourth proportional to 210,317.16, 290,238.34 and 134,865.96 is: 186,115.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,317.16 : 290,238.34 = 134,865.96 : x
  2. Step 2: Convert to fraction form
    210,317.16/290,238.34 = 134,865.96/x
  3. Step 3: Cross multiply
    210,317.16x = 290,238.34 × 134,865.96
  4. Step 4: Simplify right side
    210,317.16x = 39,143,272,352.91
  5. Step 5: Solve for x
    x = 39,143,272,352.91/210,317.16
  6. Step 6: Final answer
    x = 186,115.45

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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.