Home / 145,492.40-217,888.14-98,603.12

Finding the Fourth Proportional to 145,492.40, 217,888.14 and 98,603.12

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Solution

The fourth proportional to 145,492.40, 217,888.14 and 98,603.12 is: 147,667.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,492.40 : 217,888.14 = 98,603.12 : x
  2. Step 2: Convert to fraction form
    145,492.40/217,888.14 = 98,603.12/x
  3. Step 3: Cross multiply
    145,492.40x = 217,888.14 × 98,603.12
  4. Step 4: Simplify right side
    145,492.40x = 21,484,450,415.00
  5. Step 5: Solve for x
    x = 21,484,450,415.00/145,492.40
  6. Step 6: Final answer
    x = 147,667.17

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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.