Home / 210,214.07-315,133.60-77,063.24

Finding the Fourth Proportional to 210,214.07, 315,133.60 and 77,063.24

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Solution

The fourth proportional to 210,214.07, 315,133.60 and 77,063.24 is: 115,526.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,214.07 : 315,133.60 = 77,063.24 : x
  2. Step 2: Convert to fraction form
    210,214.07/315,133.60 = 77,063.24/x
  3. Step 3: Cross multiply
    210,214.07x = 315,133.60 × 77,063.24
  4. Step 4: Simplify right side
    210,214.07x = 24,285,215,461.03
  5. Step 5: Solve for x
    x = 24,285,215,461.03/210,214.07
  6. Step 6: Final answer
    x = 115,526.12

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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.