Home / 161,547.35-242,868.38-130,177.67

Finding the Fourth Proportional to 161,547.35, 242,868.38 and 130,177.67

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Solution

The fourth proportional to 161,547.35, 242,868.38 and 130,177.67 is: 195,707.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,547.35 : 242,868.38 = 130,177.67 : x
  2. Step 2: Convert to fraction form
    161,547.35/242,868.38 = 130,177.67/x
  3. Step 3: Cross multiply
    161,547.35x = 242,868.38 × 130,177.67
  4. Step 4: Simplify right side
    161,547.35x = 31,616,037,959.84
  5. Step 5: Solve for x
    x = 31,616,037,959.84/161,547.35
  6. Step 6: Final answer
    x = 195,707.57

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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.