Home / 210,368.04-315,554.82-70,126.68

Finding the Fourth Proportional to 210,368.04, 315,554.82 and 70,126.68

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Solution

The fourth proportional to 210,368.04, 315,554.82 and 70,126.68 is: 105,190.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,368.04 : 315,554.82 = 70,126.68 : x
  2. Step 2: Convert to fraction form
    210,368.04/315,554.82 = 70,126.68/x
  3. Step 3: Cross multiply
    210,368.04x = 315,554.82 × 70,126.68
  4. Step 4: Simplify right side
    210,368.04x = 22,128,811,884.60
  5. Step 5: Solve for x
    x = 22,128,811,884.60/210,368.04
  6. Step 6: Final answer
    x = 105,190.94

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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.