Home / 97,030.68-133,858.10-70,130.58

Finding the Fourth Proportional to 97,030.68, 133,858.10 and 70,130.58

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Solution

The fourth proportional to 97,030.68, 133,858.10 and 70,130.58 is: 96,748.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,030.68 : 133,858.10 = 70,130.58 : x
  2. Step 2: Convert to fraction form
    97,030.68/133,858.10 = 70,130.58/x
  3. Step 3: Cross multiply
    97,030.68x = 133,858.10 × 70,130.58
  4. Step 4: Simplify right side
    97,030.68x = 9,387,546,190.70
  5. Step 5: Solve for x
    x = 9,387,546,190.70/97,030.68
  6. Step 6: Final answer
    x = 96,748.23

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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.