Home / 210,501.54-290,488.73-115,006.19

Finding the Fourth Proportional to 210,501.54, 290,488.73 and 115,006.19

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Solution

The fourth proportional to 210,501.54, 290,488.73 and 115,006.19 is: 158,706.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,501.54 : 290,488.73 = 115,006.19 : x
  2. Step 2: Convert to fraction form
    210,501.54/290,488.73 = 115,006.19/x
  3. Step 3: Cross multiply
    210,501.54x = 290,488.73 × 115,006.19
  4. Step 4: Simplify right side
    210,501.54x = 33,408,000,047.76
  5. Step 5: Solve for x
    x = 33,408,000,047.76/210,501.54
  6. Step 6: Final answer
    x = 158,706.68

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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.