Home / 210,319.07-290,273.64-133,758.34

Finding the Fourth Proportional to 210,319.07, 290,273.64 and 133,758.34

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Solution

The fourth proportional to 210,319.07, 290,273.64 and 133,758.34 is: 184,607.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,319.07 : 290,273.64 = 133,758.34 : x
  2. Step 2: Convert to fraction form
    210,319.07/290,273.64 = 133,758.34/x
  3. Step 3: Cross multiply
    210,319.07x = 290,273.64 × 133,758.34
  4. Step 4: Simplify right side
    210,319.07x = 38,826,520,232.16
  5. Step 5: Solve for x
    x = 38,826,520,232.16/210,319.07
  6. Step 6: Final answer
    x = 184,607.70

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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.