Home / 152,398.32-210,307.46-84,415.07

Finding the Fourth Proportional to 152,398.32, 210,307.46 and 84,415.07

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Solution

The fourth proportional to 152,398.32, 210,307.46 and 84,415.07 is: 116,491.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,398.32 : 210,307.46 = 84,415.07 : x
  2. Step 2: Convert to fraction form
    152,398.32/210,307.46 = 84,415.07/x
  3. Step 3: Cross multiply
    152,398.32x = 210,307.46 × 84,415.07
  4. Step 4: Simplify right side
    152,398.32x = 17,753,117,878.14
  5. Step 5: Solve for x
    x = 17,753,117,878.14/152,398.32
  6. Step 6: Final answer
    x = 116,491.56

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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.