Home / 152,370.47-210,255.23-84,385.67

Finding the Fourth Proportional to 152,370.47, 210,255.23 and 84,385.67

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Solution

The fourth proportional to 152,370.47, 210,255.23 and 84,385.67 is: 116,443.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,370.47 : 210,255.23 = 84,385.67 : x
  2. Step 2: Convert to fraction form
    152,370.47/210,255.23 = 84,385.67/x
  3. Step 3: Cross multiply
    152,370.47x = 210,255.23 × 84,385.67
  4. Step 4: Simplify right side
    152,370.47x = 17,742,527,614.24
  5. Step 5: Solve for x
    x = 17,742,527,614.24/152,370.47
  6. Step 6: Final answer
    x = 116,443.35

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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.