Home / 152,289.21-210,156.59-84,304.79

Finding the Fourth Proportional to 152,289.21, 210,156.59 and 84,304.79

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Solution

The fourth proportional to 152,289.21, 210,156.59 and 84,304.79 is: 116,339.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,289.21 : 210,156.59 = 84,304.79 : x
  2. Step 2: Convert to fraction form
    152,289.21/210,156.59 = 84,304.79/x
  3. Step 3: Cross multiply
    152,289.21x = 210,156.59 × 84,304.79
  4. Step 4: Simplify right side
    152,289.21x = 17,717,206,347.05
  5. Step 5: Solve for x
    x = 17,717,206,347.05/152,289.21
  6. Step 6: Final answer
    x = 116,339.21

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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.