Home / 157,267.95-235,347.89-128,846.67

Finding the Fourth Proportional to 157,267.95, 235,347.89 and 128,846.67

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Solution

The fourth proportional to 157,267.95, 235,347.89 and 128,846.67 is: 192,816.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,267.95 : 235,347.89 = 128,846.67 : x
  2. Step 2: Convert to fraction form
    157,267.95/235,347.89 = 128,846.67/x
  3. Step 3: Cross multiply
    157,267.95x = 235,347.89 × 128,846.67
  4. Step 4: Simplify right side
    157,267.95x = 30,323,791,273.79
  5. Step 5: Solve for x
    x = 30,323,791,273.79/157,267.95
  6. Step 6: Final answer
    x = 192,816.09

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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.