Home / 116,222.04-160,368.66-65,237.40

Finding the Fourth Proportional to 116,222.04, 160,368.66 and 65,237.40

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Solution

The fourth proportional to 116,222.04, 160,368.66 and 65,237.40 is: 90,017.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,222.04 : 160,368.66 = 65,237.40 : x
  2. Step 2: Convert to fraction form
    116,222.04/160,368.66 = 65,237.40/x
  3. Step 3: Cross multiply
    116,222.04x = 160,368.66 × 65,237.40
  4. Step 4: Simplify right side
    116,222.04x = 10,462,034,419.88
  5. Step 5: Solve for x
    x = 10,462,034,419.88/116,222.04
  6. Step 6: Final answer
    x = 90,017.65

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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.