Home / 152,421.75-210,341.61-84,438.86

Finding the Fourth Proportional to 152,421.75, 210,341.61 and 84,438.86

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Solution

The fourth proportional to 152,421.75, 210,341.61 and 84,438.86 is: 116,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,421.75 : 210,341.61 = 84,438.86 : x
  2. Step 2: Convert to fraction form
    152,421.75/210,341.61 = 84,438.86/x
  3. Step 3: Cross multiply
    152,421.75x = 210,341.61 × 84,438.86
  4. Step 4: Simplify right side
    152,421.75x = 17,761,004,707.26
  5. Step 5: Solve for x
    x = 17,761,004,707.26/152,421.75
  6. Step 6: Final answer
    x = 116,525.40

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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.